MOFs composite material containing heteropolyacid and transition metal complex as well as preparation method and application thereof

A transition metal and composite material technology, applied in the field of MOFs composite material and its preparation, can solve the problems of short catalytic life, limited catalytic performance, difficult recovery of transition metals, etc., and achieve the effect of high porosity and broad application prospects.

Active Publication Date: 2019-12-24
HAINAN UNIVERSITY
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Problems solved by technology

Metal organic framework materials have the characteristics of high specific surface area, porosity, multifunctional structure and functional adjustability. Porosity is an important property of materials used in catalysis, gas adsorption and separation. Another important indicator of metal-organic framework materials. These characteristics of metal-organic framework materials are widely used in the research of gas adsorption, separation and storage, and heterogeneous catalysis. However, the stability of metal-organic frameworks is poor. The introduction of new components in MOFs can Improve this defect and at the same time endow MOFs with richer functional properties
[0003] Transition metal complexes are a kind of transition metal complexes formed by transition metals and different molecules or groups. Transition metals have good redox ability and coordination ability. At the same t

Method used

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  • MOFs composite material containing heteropolyacid and transition metal complex as well as preparation method and application thereof
  • MOFs composite material containing heteropolyacid and transition metal complex as well as preparation method and application thereof
  • MOFs composite material containing heteropolyacid and transition metal complex as well as preparation method and application thereof

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Embodiment 1

[0030] A method for preparing MOFs composites containing heteropolyacids and platinum metal complexes, comprising: in the presence of organic solvent nitrogen nitrogen-dimethylformamide, dissolving and heating metal zirconium salts, and then adding 4,4'- Biphenyldicarboxylic acid, platinum metal organic ligand, mineralizer benzoic acid and heteropolyacid are mixed and stirred, and then hydrothermally reacted for a period of time to prepare MOFs composite materials containing heteropolyacid and platinum metal complexes. The specific steps are as follows :

[0031] (1) The preparation method of the platinum metal organic ligand is as follows: 201mg of potassium chloroplatinate and 65% 0.4mL of nitric acid are dissolved in 40mL of water in a 100mL round bottom flask, and 101mg of 2,2'-bipyridyl-5, 5'-dicarboxylic acid, due to its poor solubility in acidic solution, is only suspended in solution. The reaction was heated and stirred at reflux for 40 hours (the reaction was vermili...

example 2

[0036] A method for preparing MOFs composite materials containing heteropolyacids and platinum metal complexes, comprising: in the presence of an organic solvent N,N-dimethylformamide, dissolving and heating metal zirconium salts, and then adding 4,4' -Biphenyl dicarboxylic acid, transition metal organic ligand, mineralizer benzoic acid and heteropoly acid, mixed and stirred, hydrothermal reaction for a period of time, to prepare MOFs composite material containing heteropoly acid and transition metal complex, the specific steps are as follows :

[0037] (1) Dissolve 201mg of potassium chloroplatinate and 65% 0.4mL of nitric acid in 40mL of water in a 100mL round bottom flask, add 101mg of 2,2'-bipyridine-5,5'-dicarboxylic acid. Poor solubility in solution, only suspended in solution. The reaction was heated and stirred at reflux for 42 hours (the reaction was vermilion), the precipitated red powder was isolated by filtration, washed three times with water and once with 2-prop...

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Abstract

The invention discloses an MOFs composite material containing heteropolyacid and a transition metal complex as well as a preparation method and an application thereof. The preparation method comprisesthe following steps: in the presence of an organic solvent N,N'-dimethylformamide, dissolving and heating metal zirconium salt, adding 4,4'-biphenyldicarboxylic acid, a platinum metal organic ligand,a mineralizing agent benzoic acid and heteropolyacid, mixing and stirring all the components, and carrying out hydrothermal reaction for a period of time, thereby obtaining the material. The MOFs composite material containing the heteropolyacid and the transition metal complex is obtained for the first time, and can be applied to the fields of gas adsorption, separation and storage, heterogeneouscatalysis and the like.

Description

technical field [0001] The invention belongs to the technical field of organic metal framework materials, and in particular relates to a MOFs composite material containing heteropolyacid and platinum metal complexes, a preparation method and application thereof. Background technique [0002] In the past ten years, metal-organic framework materials, as new porous materials, have been studied more and more, which has greatly promoted the application and development of this type of materials. Metal-organic frameworks (MOFs) are new types of porous materials with spatially porous structures, which use metal ions or clusters as nodes and organic ligands as linkers. Metal organic framework materials have the characteristics of high specific surface area, porosity, multifunctional structure and functional adjustability. Porosity is an important property of materials used in catalysis, gas adsorption and separation. Another important indicator of metal-organic framework materials. ...

Claims

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Application Information

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IPC IPC(8): C08G83/00
CPCC08G83/008Y02E60/50
Inventor 陈琦王宁邱璐常兆森
Owner HAINAN UNIVERSITY
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